SUCTION HEAD DEVICE FOR PUMP-TYPE DREDGER,申请号JP19850137979-传众专利搜索

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发明名称	SUCTION HEAD DEVICE FOR PUMP-TYPE DREDGER
摘要
申请公布号	JPS621935(A)	申请公布日期	1987.01.07
申请号	JP19850137979	申请日期	1985.06.26
申请人	TOA HARBOR WORKS CO LTD	发明人	ARAKAWA TOSHIO;KONEKAWA MITSUGI
分类号	E02F3/92	主分类号	E02F3/92
代理机构		代理人
主权项
地址

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